Display screen or portion thereof with graphical user interface



The sole FIGURE is a front view of a display screen or portion thereof with graphical user interface showing my new design.

The outer perimeter dashed broken lines in the drawing represents a display screen or portion thereof and forms no part of the claimed design. The remaining dashed broken lines in the drawing illustrates portions of the graphical user interface which form no part of the claimed design. 

CLAIM I claim the ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 